APG RP Resistive Chain user manual - Manual (Page 11)

Rev. B3, 10/09 RPE & RPX Series
11
Automation Products Group, Inc.
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• Inspection and Maintenance
Periodic inspection is necessary to keep your RPE/RPX unit in good
working order.
Keep the sensor clean.
Never leave the housing cover off. If the cover becomes damaged or is
misplaced, order a replacement immediately.
If sediment or other foreign matter is trapped between the stem and the
float, detection errors may be caused. Keep the float and stem clean.